10/31/1933
https://www.presidency.ucsb.edu...
"Postal-savings certificates issued by the Canal Zone Postal Service shall bear interest at the rate of one-half of one per centum for each period of three full calendar months from the date of issue."
"They cannot see that the Hitlers of the world are waging war by exploiting social unrest."
"Interest on all postal-savings certificates shall be payable when the certificates are paid."
"I think it will interest you, incidentally."